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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
Compatible with all Warmup water UFH systems
The 4G-2 is the right choice for installations with no reliable WiFi
Available boiler outputs for this cylinder: 10kW / 12kW / 15kW
Expansion Vessel (required)
Wisualarm Mains Powered Heat Alarm | Grade D2 | Class A1 54–65°C | 9V Battery Backup | Wired Interconnect Wireless Smart Thermostat Compatible with all Warmup waterGrade D2Class A1 Heat Detection54C 65C Fixed Temp The Wisualarm DHI HY HT5MB is a mains powered Class A1 fixed temperature powered heat alarm certified to BS 5446 2: 2003, designed for rooms where a smoke alarm would cause persistent false activations principally kitchens, garages, utility rooms and loft spaces. It draws its primary power from a permanent 230V mains connection and includes a replaceable 9V alkaline battery as standby backup,
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